Why is the offering of 'teaser loans'' by commercial banks a cause of economic concern ? 1.External liabilities reported in the Union Budget are based on historical exchange rates 2.The continued high borrowing has kept the real interest rates high in the economy 3.The upward trend in the ratio of Fiscal Deficit of GDP a recent years has a adverse effect on private investment 4.Interest payments is the single largest component of the non-plan revenue expenditure of the Union Government Which of these statements are correct?